Browsing School of Chemistry and Physics by Title
Now showing items 428-447 of 700
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Phytochemical and elemental analysis of Cyrtanthus obliquus and Lippia javanica.
(2012)A growing number of South Africans are relying more and more on alternative medicine for their healthcare needs due to the high cost of commercially available medicines and lack of medical aid. To these people, traditional ... -
Phytochemical and elemental analysis of nettles found in KwaZulu-Natal, South Africa.
(2016)There is a rich diversity of indigenous edible plants in South Africa. Rural communities have for years, been collecting indigenous edible medicinal plants for food and for their medicinal properties. However, a combination ... -
Phytochemical and elemental studies of two indigenous medicinal plants of South Africa, Bridelia micrantha and Sideroxylon inerme.
(2014)Bridelia micrantha (Euphorbaceae) and Sideroxylon inerme (Sapoacaea) are two indigenous medicinal plants found in KwaZulu-Natal and are both known as ‘uMhlalamagwababa’ in isiZulu. These two plants species have similar ... -
Phytochemical investigation and biological studies of some South African plant species (Asteraceae and Hyacinthaceae)
(2021)Plants used in conventional medicine for the treatment of different ailments have been the bedrock for modern therapeutics. Scilla nervosa from the Hyacinthaceae family and Helichrysum panduratum and Helichrysum actutaum ... -
Phytochemical investigation and tissue culture studies on the South African knob trees, Zanthoxylum Capense and Senegalia Nigrescens.
(2017)Abstract available in PDF file. -
A phytochemical investigation of Acridocarpus Natalitius and Typha Capensis.
(2001)In the present study, a phytochemical investigation of two medicinal plants, namely, Acridocarpus natalitius and Typha capensis is presented. The roots of A. natalitius afforded a variety of pentacyclic triterpenoids, ... -
A phytochemical investigation of members of the hyacinthaceae family and biological screening of homoisoflavanones and structurally related compounds.
(2004)The Hyacinthaceae family is richly represented in southern Africa. Of the five subfamilies, three are found in southern Africa. These are the Urgineoideae (URG), Ornithogaloideae (ORN) and the Hyacinthoideae (HYA). The ... -
A phytochemical investigation of two South African plants with the screening of extractives for biological activity.
(2006)Two South African medicinal plants, Strophanthus speciosus and Eucomis montana, were investigated phytochemically. From Strophanthus speciosus a cardenolide, neritaloside, was isolated, whilst Eucomis montana yielded ... -
A phytochemical study of Schefflera umbellifera and Elephantorrhiza elephantina.
(2007)In this study, two plant species, Schefflera umbellifera (Araliaceae) and -
Phytochemical, elemental and biological studies of three Ficus species (Moraceae) found in KwaZulu-Natal, South Africa.
(2017)Ficus (Moraceae), with over 800 species, is one of the understudied genera in modern pharmacognosy. Rural households depend on their fruits for food while other plant parts such as leaves and bark are utilised for medicinal ... -
Phytochemical, elemental and biotechnological study of cryptocarya latifolia, an indigenous medicinal plant of South Africa.
(2013)Cryptocarya latifolia (Lauraceae) is an indigenous South African plant used in ethnomedicinal practices. Traditional healers in KwaZulu-Natal, South Africa are extensively using the bark of C. latifolia as a substitute for ... -
Phytochemistry and bioactive natural products from Lannea alata, Lannea rivae, Lannea schimperi and Lannea schweinfurthii (anacardiaceae)
(2014)Abstract available in PDF file. -
The phytochemistry and biological activity of secondary metabolites from Kenyan Vernonia and Vepris species.
(2012)This work is an account of the phytochemical analysis of two genera, Vernonia and Vepris which are used as remedies for illness by the Kalenjin community of Kenya. Species of Vernonia are known to yield sesquiterpene ... -
Phytochemistry and quorum sensing inhibitory studies of four vernonia species growing in Nigeria.
(2017)Abstract available in PDF file. -
Phytochemistry of Dais cotinifolia L.
(2018)Many plant-derived secondary metabolites have interesting biological activities and some plant compounds such as artemisinin (antimalarial) and vincristine (anticancer agent) are the active principles of main-stream ... -
Planetary waves and the global ozone distribution.
(1994)Planetary waves are known to play an important role in determining the annual variability in the severity of Antarctic ozone depletion. In this thesis, data obtained from the TOMS experiment on board the Nimbus-7 satellite ... -
Plasmon as a mechanism to improve performance of bulk-heterojunction organic solar cells.
(2022)Narrow optical absorption band of fullerene based organic photovoltaics (OPVs) is one of the challenges to produce efficient polymer based solar panels that compete with inorganic counter part. There have been efforts ... -
The polycyclic aromatic hydrocarbon content and mutagenicity of the residue from cane burning and vehicle emissions.
(1992)Polycyclic (or polynuclear) aromatic hydrocarbons (PAHs) are environmental pollutants produced during the incomplete combustion of organic matter. Since many of these compounds have been shown to be mutagenic and/or ... -
The potential of plant polyphenols as natural photostable sunscreen active ingredients.
(2022)Protection from the sun dates to prehistoric times as a measure against the deleterious effects of solar ultraviolet (UV) radiation. Overexposure to this harmful UV radiation is a leading cause of pathological changes of ...